Balloon on a skewer

Learn how to pierce a balloon without popping it.

Related extras

The clever karate master

Can we break a stick with the weight of only a few sheets of paper?

Archimedes' seesaw

In this experiment, we use buoyancy to study the balance of two glasses of water.

Re-lighting a candle

Can a candle be re-lit if the flame of the match does not even touch it?

Dynamic lift

High speed generates a lift on aeroplane wings due to their asymmetrical profile.

Resonance straw

Find out how to move the straws without touching them, using the phenomenon of resonance.

Torsion balances

A force can be measured by measuring the twisting of the torsion wire in a torsion balance.

The brachistochrone problem

Find out whether the marble reaches the finish line faster on the straight or on the curved slope.

Hot air balloon

A hot air balloon is a balloon aircraft in which is lifted by hot air.

Added to your cart.